It is used in double pumps and circuits high pressure variable system on model JY320 hydraulic excavator.
用于JY320型液压挖掘机等的双泵双回路高压变量系统。
Meanwhile, this thesis introduces application of the new circuit in typical hydraulic system of double pumps.
并以典型双泵供油液压系统为例，介绍新回路的应用。
A plunger is always longer than its stroke and only one end is available for pumping. Double-acting plunger pumps require at least two cylinders and plungers.
柱塞的长度总大于它的冲程，并只有柱塞的一个端面为液体增压。双作用柱塞泵至少需要两个缸体和柱塞。
Clear permeate is required if horizontal pumps are used, since pigments from the paint will damage double mechanical seals.
如果使用卧式泵，也需要清洁的渗透液，否则漆液中的颜料会损坏机械。
Using large double drive melt pumps in petrochemical industry has become a trend.
在石化行业中使用大型双驱动熔体泵已成为一种趋势。
Brushless Double-fed motor (BDFM) is a kind of new motors suitable for the drives of pumps fans, and has a bright future.
无刷双馈电机是一种用于拖动风机、泵类负载节能调速最有效的新型电机之一，有着很好的发展前景。
Single stage, double suction pumps designed for a wide range of industrial, municipal, and Marine services.
单级双吸泵广泛适用于工业，民用和海事服务。
The Flowserve GR series, double-helical, herringbone type gear pumps have long been a workhorse of the general industry.
长期以来，福斯gr系列人字齿型齿轮泵已成为一般工业的得力助手。
YCB arc gear pumps are mainly gear, KCG axis, the pump body, cover, the axial bearing, sealing etc. Using double circular-arc gear tooth sine curve.
主要有齿轮、轴、泵体、泵盖、轴承套、轴端密封等组成。齿轮采用双圆弧正弦曲线齿形制造。
There are many types of structures of double acting pumps and pumping stations which have different technique and economic characteristics.
分析了国内外现有双向功能泵组及泵站的结构型式，进行了技术经济比较。
Besides above mentioned values for dimension code in the fig. of the double pump, other dimensions are same with the single pumps.
双联泵图中标注尺寸代号的数值除上表外其余同于单泵。
In general, a double cylinder single acting piston pumps rotates at a constant speed, this results in considerable fluctuation in the flow curve.
通常双缸单作用活塞泵的恒转速运行会导致管路流量波动，使之在恒流量场合较少应用。
This novel contour curve of the stator transition zone can be made to adjust many parameters. and satisfy the full requirements of double-acting vane pumps of high-performance.
这种新型定子过渡曲线可对多个参数进行调查，能最大限度地满足高性能叶片泵的要求。
The Flowserve GAX cast iron series, double-helical, herringbone type gear pumps are designed to handle viscous fluids at low to medium flows and pressures.
斯gax铸铁系列、人字齿型、齿轮泵是为处理低到中等流量和压力的粘性液体而设计的。
Single and Double Stage Vane Vacuum Pumps.
单、双级旋片式真空泵。
Single and Double Stage Vane Vacuum Pumps.
单、双级旋片式真空泵。
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